/*

  * Copyright 2004 Chris Nelson

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and limitations under the License.

  */

 package org.trails.component;

 import java.lang.reflect.Constructor;

 import org.apache.tapestry.IRequestCycle;

 import org.trails.TrailsRuntimeException;

 import org.trails.page.EditPage;

 import org.trails.page.PageResolver;

 import org.trails.page.TrailsPage;

 /**

  * Render a link allowing a new entity of the parameterized type to be created.

  *

  * @author fus8882

  * @date Sep 29, 2004

  */

 public abstract class NewLink extends AbstractTypeNavigationLink

 {

         public static String SUFFIX = "Edit";

         public void click(IRequestCycle cycle)

         {

                 PageResolver pageResolver = getPageResolver();

                 EditPage page = (EditPage) pageResolver.resolvePage(cycle, getType(), TrailsPage.PageType.Edit);

                 try {

                         Constructor constructor = getType().getDeclaredConstructor();

                         constructor.setAccessible(true);

                         page.setModel(constructor.newInstance());

                         cycle.activate(page);

                 } catch (Exception ex)

                 {

                         throw new TrailsRuntimeException(ex, getType());

                 }

         }

         /**

          * Get the text for the rendered link

          *

          * @return Full i18n text in the form "List Foobars"

          */

         public String getLinkText()

         {

                 String name = getClassDescriptor().getDisplayName();

                 return generateLinkText(name, "org.trails.component.newlink", "[TRAILS][ORG.TRAILS.COMPONENT.NEWLINK]");

         }

 }